🌐 Image Converter
Convert PNG to WebP — Free & Private
Shrink your PNG images by up to 35% using WebP — Google's modern format. Full transparency support, no upload, no account needed.
✓ Free forever
✓ No upload
✓ No signup
✓ Instant
Ready to convert your PNG?
100% in your browser · Up to 50 MB · Transparency preserved
How to Convert PNG to WebP
1
Open the Converter
Click "Convert Now" to open the converter with PNG → WebP pre-selected.
2
Upload Your PNG
Drag & drop your PNG or click Browse. Supports transparent PNGs up to 50 MB.
3
Adjust Quality
Set WebP quality using the slider. 80% gives excellent quality at a fraction of the size.
4
Download WebP
Your WebP file downloads automatically — ready for web use.
Why Convert PNG to WebP?
- 📉 25–35% smaller — WebP produces much smaller files than PNG at similar quality
- 🌐 Better web performance — faster page loads, better Core Web Vitals scores
- 🔲 Transparency preserved — WebP supports alpha channel just like PNG
- 🔒 100% private — files stay on your device, never uploaded to any server
- 🆓 Free forever — no watermarks, no limits, no credit card
- ⚡ Instant conversion — uses browser Canvas API for real-time processing
Features
100% Private
Files never leave your browser. Zero server uploads.
Instant
Conversion completes in seconds using Canvas API.
Free
No account, no fee, no watermarks. Ever.
Batch Convert
Convert multiple PNGs to WebP in one go.
Quality Control
Adjust WebP quality from 10% to 100%.
Mobile-Friendly
Works on any device — phone, tablet, desktop.
Frequently Asked Questions
Yes — completely free with no limits or watermarks. Convertlo runs entirely in your browser.
Yes. WebP supports full alpha channel transparency. Transparent areas in your PNG will be correctly preserved in the output WebP file.
WebP is supported by all modern browsers including Chrome, Firefox, Safari (14+), Edge, and Opera. It covers over 97% of global browser usage.
No. All conversion happens locally in your browser using the HTML5 Canvas API. Your files never leave your device.
Yes! Enable the "Batch convert" toggle and drop multiple PNG files. Each converts and downloads individually.